Home / 14,500.40-20,003.27-9,186.80

Finding the Fourth Proportional to 14,500.40, 20,003.27 and 9,186.80

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Solution

The fourth proportional to 14,500.40, 20,003.27 and 9,186.80 is: 12,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.40 : 20,003.27 = 9,186.80 : x
  2. Step 2: Convert to fraction form
    14,500.40/20,003.27 = 9,186.80/x
  3. Step 3: Cross multiply
    14,500.40x = 20,003.27 × 9,186.80
  4. Step 4: Simplify right side
    14,500.40x = 183,765,894.89
  5. Step 5: Solve for x
    x = 183,765,894.89/14,500.40
  6. Step 6: Final answer
    x = 12,673.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.